Mr Calcu | Calculate Triangle Area

Calculate triangle area using base and height or Heron's formula

Triangle Area Calculator

Triangle Area Calculator Guidelines

  • Enter the base and height to calculate the area directly.
  • If you know the lengths of all three sides, use Heron's formula.
  • Ensure all measurements are in the same unit.

Triangle Area Calculator Description

Understanding Triangle Area Calculation

The area of a triangle can be calculated using different methods depending on the information available. The most common method involves using the base and height of the triangle. Alternatively, if the lengths of all three sides are known, Heron's formula can be applied.

The formula for calculating the area using base (b) and height (h) is: Area = 0.5 × b × h. For Heron's formula, first calculate the semi-perimeter (s) of the triangle using the lengths of the sides (a, b, c) as s = (a + b + c)/2. Then, the area is given by: Area = √[s(s-a)(s-b)(s-c)].

Understanding and calculating triangle areas is crucial in various fields such as architecture, engineering, and design. Accurate calculations are essential for planning and executing projects that involve triangular shapes or structures.

Example Calculation

MethodInputsArea Calculation
Base & Heightb = 5, h = 100.5 × 5 × 10 = 25
Heron's Formulaa = 3, b = 4, c = 5√[6(6-3)(6-4)(6-5)] = 6

Frequently Asked Questions

Heron's formula calculates a triangle's area using its three sides.

Use the formula: Area = 0.5 × base × height.

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